/*!
 * # Semantic UI 2.4.1 - Progress
 * http://github.com/semantic-org/semantic-ui/
 *
 *
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */

;(function ($, window, document, undefined) {

    'use strict';

    window = (typeof window != 'undefined' && window.Math == Math)
        ? window
        : (typeof self != 'undefined' && self.Math == Math)
            ? self
            : Function('return this')()
    ;

    var
        global = (typeof window != 'undefined' && window.Math == Math)
            ? window
            : (typeof self != 'undefined' && self.Math == Math)
                ? self
                : Function('return this')()
    ;

    $.fn.progress = function (parameters) {
        var
            $allModules = $(this),

            moduleSelector = $allModules.selector || '',

            time = new Date().getTime(),
            performance = [],

            query = arguments[0],
            methodInvoked = (typeof query == 'string'),
            queryArguments = [].slice.call(arguments, 1),

            returnedValue
        ;

        $allModules
            .each(function () {
                var
                    settings = ($.isPlainObject(parameters))
                        ? $.extend(true, {}, $.fn.progress.settings, parameters)
                        : $.extend({}, $.fn.progress.settings),

                    className = settings.className,
                    metadata = settings.metadata,
                    namespace = settings.namespace,
                    selector = settings.selector,
                    error = settings.error,

                    eventNamespace = '.' + namespace,
                    moduleNamespace = 'module-' + namespace,

                    $module = $(this),
                    $bar = $(this).find(selector.bar),
                    $progress = $(this).find(selector.progress),
                    $label = $(this).find(selector.label),

                    element = this,
                    instance = $module.data(moduleNamespace),

                    animating = false,
                    transitionEnd,
                    module
                ;

                module = {

                    initialize: function () {
                        module.debug('Initializing progress bar', settings);

                        module.set.duration();
                        module.set.transitionEvent();

                        module.read.metadata();
                        module.read.settings();

                        module.instantiate();
                    },

                    instantiate: function () {
                        module.verbose('Storing instance of progress', module);
                        instance = module;
                        $module
                            .data(moduleNamespace, module)
                        ;
                    },
                    destroy: function () {
                        module.verbose('Destroying previous progress for', $module);
                        clearInterval(instance.interval);
                        module.remove.state();
                        $module.removeData(moduleNamespace);
                        instance = undefined;
                    },

                    reset: function () {
                        module.remove.nextValue();
                        module.update.progress(0);
                    },

                    complete: function () {
                        if (module.percent === undefined || module.percent < 100) {
                            module.remove.progressPoll();
                            module.set.percent(100);
                        }
                    },

                    read: {
                        metadata: function () {
                            var
                                data = {
                                    percent: $module.data(metadata.percent),
                                    total: $module.data(metadata.total),
                                    value: $module.data(metadata.value)
                                }
                            ;
                            if (data.percent) {
                                module.debug('Current percent value set from metadata', data.percent);
                                module.set.percent(data.percent);
                            }
                            if (data.total) {
                                module.debug('Total value set from metadata', data.total);
                                module.set.total(data.total);
                            }
                            if (data.value) {
                                module.debug('Current value set from metadata', data.value);
                                module.set.value(data.value);
                                module.set.progress(data.value);
                            }
                        },
                        settings: function () {
                            if (settings.total !== false) {
                                module.debug('Current total set in settings', settings.total);
                                module.set.total(settings.total);
                            }
                            if (settings.value !== false) {
                                module.debug('Current value set in settings', settings.value);
                                module.set.value(settings.value);
                                module.set.progress(module.value);
                            }
                            if (settings.percent !== false) {
                                module.debug('Current percent set in settings', settings.percent);
                                module.set.percent(settings.percent);
                            }
                        }
                    },

                    bind: {
                        transitionEnd: function (callback) {
                            var
                                transitionEnd = module.get.transitionEnd()
                            ;
                            $bar
                                .one(transitionEnd + eventNamespace, function (event) {
                                    clearTimeout(module.failSafeTimer);
                                    callback.call(this, event);
                                })
                            ;
                            module.failSafeTimer = setTimeout(function () {
                                $bar.triggerHandler(transitionEnd);
                            }, settings.duration + settings.failSafeDelay);
                            module.verbose('Adding fail safe timer', module.timer);
                        }
                    },

                    increment: function (incrementValue) {
                        var
                            maxValue,
                            startValue,
                            newValue
                        ;
                        if (module.has.total()) {
                            startValue = module.get.value();
                            incrementValue = incrementValue || 1;
                            newValue = startValue + incrementValue;
                        }
                        else {
                            startValue = module.get.percent();
                            incrementValue = incrementValue || module.get.randomValue();

                            newValue = startValue + incrementValue;
                            maxValue = 100;
                            module.debug('Incrementing percentage by', startValue, newValue);
                        }
                        newValue = module.get.normalizedValue(newValue);
                        module.set.progress(newValue);
                    },
                    decrement: function (decrementValue) {
                        var
                            total = module.get.total(),
                            startValue,
                            newValue
                        ;
                        if (total) {
                            startValue = module.get.value();
                            decrementValue = decrementValue || 1;
                            newValue = startValue - decrementValue;
                            module.debug('Decrementing value by', decrementValue, startValue);
                        }
                        else {
                            startValue = module.get.percent();
                            decrementValue = decrementValue || module.get.randomValue();
                            newValue = startValue - decrementValue;
                            module.debug('Decrementing percentage by', decrementValue, startValue);
                        }
                        newValue = module.get.normalizedValue(newValue);
                        module.set.progress(newValue);
                    },

                    has: {
                        progressPoll: function () {
                            return module.progressPoll;
                        },
                        total: function () {
                            return (module.get.total() !== false);
                        }
                    },

                    get: {
                        text: function (templateText) {
                            var
                                value = module.value || 0,
                                total = module.total || 0,
                                percent = (animating)
                                    ? module.get.displayPercent()
                                    : module.percent || 0,
                                left = (module.total > 0)
                                    ? (total - value)
                                    : (100 - percent)
                            ;
                            templateText = templateText || '';
                            templateText = templateText
                                .replace('{value}', value)
                                .replace('{total}', total)
                                .replace('{left}', left)
                                .replace('{percent}', percent)
                            ;
                            module.verbose('Adding variables to progress bar text', templateText);
                            return templateText;
                        },

                        normalizedValue: function (value) {
                            if (value < 0) {
                                module.debug('Value cannot decrement below 0');
                                return 0;
                            }
                            if (module.has.total()) {
                                if (value > module.total) {
                                    module.debug('Value cannot increment above total', module.total);
                                    return module.total;
                                }
                            }
                            else if (value > 100) {
                                module.debug('Value cannot increment above 100 percent');
                                return 100;
                            }
                            return value;
                        },

                        updateInterval: function () {
                            if (settings.updateInterval == 'auto') {
                                return settings.duration;
                            }
                            return settings.updateInterval;
                        },

                        randomValue: function () {
                            module.debug('Generating random increment percentage');
                            return Math.floor((Math.random() * settings.random.max) + settings.random.min);
                        },

                        numericValue: function (value) {
                            return (typeof value === 'string')
                                ? (value.replace(/[^\d.]/g, '') !== '')
                                    ? +(value.replace(/[^\d.]/g, ''))
                                    : false
                                : value
                                ;
                        },

                        transitionEnd: function () {
                            var
                                element = document.createElement('element'),
                                transitions = {
                                    'transition': 'transitionend',
                                    'OTransition': 'oTransitionEnd',
                                    'MozTransition': 'transitionend',
                                    'WebkitTransition': 'webkitTransitionEnd'
                                },
                                transition
                            ;
                            for (transition in transitions) {
                                if (element.style[transition] !== undefined) {
                                    return transitions[transition];
                                }
                            }
                        },

                        // gets current displayed percentage (if animating values this is the intermediary value)
                        displayPercent: function () {
                            var
                                barWidth = $bar.width(),
                                totalWidth = $module.width(),
                                minDisplay = parseInt($bar.css('min-width'), 10),
                                displayPercent = (barWidth > minDisplay)
                                    ? (barWidth / totalWidth * 100)
                                    : module.percent
                            ;
                            return (settings.precision > 0)
                                ? Math.round(displayPercent * (10 * settings.precision)) / (10 * settings.precision)
                                : Math.round(displayPercent)
                                ;
                        },

                        percent: function () {
                            return module.percent || 0;
                        },
                        value: function () {
                            return module.nextValue || module.value || 0;
                        },
                        total: function () {
                            return module.total || false;
                        }
                    },

                    create: {
                        progressPoll: function () {
                            module.progressPoll = setTimeout(function () {
                                module.update.toNextValue();
                                module.remove.progressPoll();
                            }, module.get.updateInterval());
                        },
                    },

                    is: {
                        complete: function () {
                            return module.is.success() || module.is.warning() || module.is.error();
                        },
                        success: function () {
                            return $module.hasClass(className.success);
                        },
                        warning: function () {
                            return $module.hasClass(className.warning);
                        },
                        error: function () {
                            return $module.hasClass(className.error);
                        },
                        active: function () {
                            return $module.hasClass(className.active);
                        },
                        visible: function () {
                            return $module.is(':visible');
                        }
                    },

                    remove: {
                        progressPoll: function () {
                            module.verbose('Removing progress poll timer');
                            if (module.progressPoll) {
                                clearTimeout(module.progressPoll);
                                delete module.progressPoll;
                            }
                        },
                        nextValue: function () {
                            module.verbose('Removing progress value stored for next update');
                            delete module.nextValue;
                        },
                        state: function () {
                            module.verbose('Removing stored state');
                            delete module.total;
                            delete module.percent;
                            delete module.value;
                        },
                        active: function () {
                            module.verbose('Removing active state');
                            $module.removeClass(className.active);
                        },
                        success: function () {
                            module.verbose('Removing success state');
                            $module.removeClass(className.success);
                        },
                        warning: function () {
                            module.verbose('Removing warning state');
                            $module.removeClass(className.warning);
                        },
                        error: function () {
                            module.verbose('Removing error state');
                            $module.removeClass(className.error);
                        }
                    },

                    set: {
                        barWidth: function (value) {
                            if (value > 100) {
                                module.error(error.tooHigh, value);
                            }
                            else if (value < 0) {
                                module.error(error.tooLow, value);
                            }
                            else {
                                $bar
                                    .css('width', value + '%')
                                ;
                                $module
                                    .attr('data-percent', parseInt(value, 10))
                                ;
                            }
                        },
                        duration: function (duration) {
                            duration = duration || settings.duration;
                            duration = (typeof duration == 'number')
                                ? duration + 'ms'
                                : duration
                            ;
                            module.verbose('Setting progress bar transition duration', duration);
                            $bar
                                .css({
                                    'transition-duration': duration
                                })
                            ;
                        },
                        percent: function (percent) {
                            percent = (typeof percent == 'string')
                                ? +(percent.replace('%', ''))
                                : percent
                            ;
                            // round display percentage
                            percent = (settings.precision > 0)
                                ? Math.round(percent * (10 * settings.precision)) / (10 * settings.precision)
                                : Math.round(percent)
                            ;
                            module.percent = percent;
                            if (!module.has.total()) {
                                module.value = (settings.precision > 0)
                                    ? Math.round((percent / 100) * module.total * (10 * settings.precision)) / (10 * settings.precision)
                                    : Math.round((percent / 100) * module.total * 10) / 10
                                ;
                                if (settings.limitValues) {
                                    module.value = (module.value > 100)
                                        ? 100
                                        : (module.value < 0)
                                            ? 0
                                            : module.value
                                    ;
                                }
                            }
                            module.set.barWidth(percent);
                            module.set.labelInterval();
                            module.set.labels();
                            settings.onChange.call(element, percent, module.value, module.total);
                        },
                        labelInterval: function () {
                            var
                                animationCallback = function () {
                                    module.verbose('Bar finished animating, removing continuous label updates');
                                    clearInterval(module.interval);
                                    animating = false;
                                    module.set.labels();
                                }
                            ;
                            clearInterval(module.interval);
                            module.bind.transitionEnd(animationCallback);
                            animating = true;
                            module.interval = setInterval(function () {
                                var
                                    isInDOM = $.contains(document.documentElement, element)
                                ;
                                if (!isInDOM) {
                                    clearInterval(module.interval);
                                    animating = false;
                                }
                                module.set.labels();
                            }, settings.framerate);
                        },
                        labels: function () {
                            module.verbose('Setting both bar progress and outer label text');
                            module.set.barLabel();
                            module.set.state();
                        },
                        label: function (text) {
                            text = text || '';
                            if (text) {
                                text = module.get.text(text);
                                module.verbose('Setting label to text', text);
                                $label.text(text);
                            }
                        },
                        state: function (percent) {
                            percent = (percent !== undefined)
                                ? percent
                                : module.percent
                            ;
                            if (percent === 100) {
                                if (settings.autoSuccess && !(module.is.warning() || module.is.error() || module.is.success())) {
                                    module.set.success();
                                    module.debug('Automatically triggering success at 100%');
                                }
                                else {
                                    module.verbose('Reached 100% removing active state');
                                    module.remove.active();
                                    module.remove.progressPoll();
                                }
                            }
                            else if (percent > 0) {
                                module.verbose('Adjusting active progress bar label', percent);
                                module.set.active();
                            }
                            else {
                                module.remove.active();
                                module.set.label(settings.text.active);
                            }
                        },
                        barLabel: function (text) {
                            if (text !== undefined) {
                                $progress.text(module.get.text(text));
                            }
                            else if (settings.label == 'ratio' && module.total) {
                                module.verbose('Adding ratio to bar label');
                                $progress.text(module.get.text(settings.text.ratio));
                            }
                            else if (settings.label == 'percent') {
                                module.verbose('Adding percentage to bar label');
                                $progress.text(module.get.text(settings.text.percent));
                            }
                        },
                        active: function (text) {
                            text = text || settings.text.active;
                            module.debug('Setting active state');
                            if (settings.showActivity && !module.is.active()) {
                                $module.addClass(className.active);
                            }
                            module.remove.warning();
                            module.remove.error();
                            module.remove.success();
                            text = settings.onLabelUpdate('active', text, module.value, module.total);
                            if (text) {
                                module.set.label(text);
                            }
                            module.bind.transitionEnd(function () {
                                settings.onActive.call(element, module.value, module.total);
                            });
                        },
                        success: function (text) {
                            text = text || settings.text.success || settings.text.active;
                            module.debug('Setting success state');
                            $module.addClass(className.success);
                            module.remove.active();
                            module.remove.warning();
                            module.remove.error();
                            module.complete();
                            if (settings.text.success) {
                                text = settings.onLabelUpdate('success', text, module.value, module.total);
                                module.set.label(text);
                            }
                            else {
                                text = settings.onLabelUpdate('active', text, module.value, module.total);
                                module.set.label(text);
                            }
                            module.bind.transitionEnd(function () {
                                settings.onSuccess.call(element, module.total);
                            });
                        },
                        warning: function (text) {
                            text = text || settings.text.warning;
                            module.debug('Setting warning state');
                            $module.addClass(className.warning);
                            module.remove.active();
                            module.remove.success();
                            module.remove.error();
                            module.complete();
                            text = settings.onLabelUpdate('warning', text, module.value, module.total);
                            if (text) {
                                module.set.label(text);
                            }
                            module.bind.transitionEnd(function () {
                                settings.onWarning.call(element, module.value, module.total);
                            });
                        },
                        error: function (text) {
                            text = text || settings.text.error;
                            module.debug('Setting error state');
                            $module.addClass(className.error);
                            module.remove.active();
                            module.remove.success();
                            module.remove.warning();
                            module.complete();
                            text = settings.onLabelUpdate('error', text, module.value, module.total);
                            if (text) {
                                module.set.label(text);
                            }
                            module.bind.transitionEnd(function () {
                                settings.onError.call(element, module.value, module.total);
                            });
                        },
                        transitionEvent: function () {
                            transitionEnd = module.get.transitionEnd();
                        },
                        total: function (totalValue) {
                            module.total = totalValue;
                        },
                        value: function (value) {
                            module.value = value;
                        },
                        progress: function (value) {
                            if (!module.has.progressPoll()) {
                                module.debug('First update in progress update interval, immediately updating', value);
                                module.update.progress(value);
                                module.create.progressPoll();
                            }
                            else {
                                module.debug('Updated within interval, setting next update to use new value', value);
                                module.set.nextValue(value);
                            }
                        },
                        nextValue: function (value) {
                            module.nextValue = value;
                        }
                    },

                    update: {
                        toNextValue: function () {
                            var
                                nextValue = module.nextValue
                            ;
                            if (nextValue) {
                                module.debug('Update interval complete using last updated value', nextValue);
                                module.update.progress(nextValue);
                                module.remove.nextValue();
                            }
                        },
                        progress: function (value) {
                            var
                                percentComplete
                            ;
                            value = module.get.numericValue(value);
                            if (value === false) {
                                module.error(error.nonNumeric, value);
                            }
                            value = module.get.normalizedValue(value);
                            if (module.has.total()) {
                                module.set.value(value);
                                percentComplete = (value / module.total) * 100;
                                module.debug('Calculating percent complete from total', percentComplete);
                                module.set.percent(percentComplete);
                            }
                            else {
                                percentComplete = value;
                                module.debug('Setting value to exact percentage value', percentComplete);
                                module.set.percent(percentComplete);
                            }
                        }
                    },

                    setting: function (name, value) {
                        module.debug('Changing setting', name, value);
                        if ($.isPlainObject(name)) {
                            $.extend(true, settings, name);
                        }
                        else if (value !== undefined) {
                            if ($.isPlainObject(settings[name])) {
                                $.extend(true, settings[name], value);
                            }
                            else {
                                settings[name] = value;
                            }
                        }
                        else {
                            return settings[name];
                        }
                    },
                    internal: function (name, value) {
                        if ($.isPlainObject(name)) {
                            $.extend(true, module, name);
                        }
                        else if (value !== undefined) {
                            module[name] = value;
                        }
                        else {
                            return module[name];
                        }
                    },
                    debug: function () {
                        if (!settings.silent && settings.debug) {
                            if (settings.performance) {
                                module.performance.log(arguments);
                            }
                            else {
                                module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
                                module.debug.apply(console, arguments);
                            }
                        }
                    },
                    verbose: function () {
                        if (!settings.silent && settings.verbose && settings.debug) {
                            if (settings.performance) {
                                module.performance.log(arguments);
                            }
                            else {
                                module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
                                module.verbose.apply(console, arguments);
                            }
                        }
                    },
                    error: function () {
                        if (!settings.silent) {
                            module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
                            module.error.apply(console, arguments);
                        }
                    },
                    performance: {
                        log: function (message) {
                            var
                                currentTime,
                                executionTime,
                                previousTime
                            ;
                            if (settings.performance) {
                                currentTime = new Date().getTime();
                                previousTime = time || currentTime;
                                executionTime = currentTime - previousTime;
                                time = currentTime;
                                performance.push({
                                    'Name': message[0],
                                    'Arguments': [].slice.call(message, 1) || '',
                                    'Element': element,
                                    'Execution Time': executionTime
                                });
                            }
                            clearTimeout(module.performance.timer);
                            module.performance.timer = setTimeout(module.performance.display, 500);
                        },
                        display: function () {
                            var
                                title = settings.name + ':',
                                totalTime = 0
                            ;
                            time = false;
                            clearTimeout(module.performance.timer);
                            $.each(performance, function (index, data) {
                                totalTime += data['Execution Time'];
                            });
                            title += ' ' + totalTime + 'ms';
                            if (moduleSelector) {
                                title += ' \'' + moduleSelector + '\'';
                            }
                            if ((console.group !== undefined || console.table !== undefined) && performance.length > 0) {
                                console.groupCollapsed(title);
                                if (console.table) {
                                    console.table(performance);
                                }
                                else {
                                    $.each(performance, function (index, data) {
                                        console.log(data['Name'] + ': ' + data['Execution Time'] + 'ms');
                                    });
                                }
                                console.groupEnd();
                            }
                            performance = [];
                        }
                    },
                    invoke: function (query, passedArguments, context) {
                        var
                            object = instance,
                            maxDepth,
                            found,
                            response
                        ;
                        passedArguments = passedArguments || queryArguments;
                        context = element || context;
                        if (typeof query == 'string' && object !== undefined) {
                            query = query.split(/[\. ]/);
                            maxDepth = query.length - 1;
                            $.each(query, function (depth, value) {
                                var camelCaseValue = (depth != maxDepth)
                                    ? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
                                    : query
                                ;
                                if ($.isPlainObject(object[camelCaseValue]) && (depth != maxDepth)) {
                                    object = object[camelCaseValue];
                                }
                                else if (object[camelCaseValue] !== undefined) {
                                    found = object[camelCaseValue];
                                    return false;
                                }
                                else if ($.isPlainObject(object[value]) && (depth != maxDepth)) {
                                    object = object[value];
                                }
                                else if (object[value] !== undefined) {
                                    found = object[value];
                                    return false;
                                }
                                else {
                                    module.error(error.method, query);
                                    return false;
                                }
                            });
                        }
                        if ($.isFunction(found)) {
                            response = found.apply(context, passedArguments);
                        }
                        else if (found !== undefined) {
                            response = found;
                        }
                        if ($.isArray(returnedValue)) {
                            returnedValue.push(response);
                        }
                        else if (returnedValue !== undefined) {
                            returnedValue = [returnedValue, response];
                        }
                        else if (response !== undefined) {
                            returnedValue = response;
                        }
                        return found;
                    }
                };

                if (methodInvoked) {
                    if (instance === undefined) {
                        module.initialize();
                    }
                    module.invoke(query);
                }
                else {
                    if (instance !== undefined) {
                        instance.invoke('destroy');
                    }
                    module.initialize();
                }
            })
        ;

        return (returnedValue !== undefined)
            ? returnedValue
            : this
            ;
    };

    $.fn.progress.settings = {

        name: 'Progress',
        namespace: 'progress',

        silent: false,
        debug: false,
        verbose: false,
        performance: true,

        random: {
            min: 2,
            max: 5
        },

        duration: 300,

        updateInterval: 'auto',

        autoSuccess: true,
        showActivity: true,
        limitValues: true,

        label: 'percent',
        precision: 0,
        framerate: (1000 / 30), /// 30 fps

        percent: false,
        total: false,
        value: false,

        // delay in ms for fail safe animation callback
        failSafeDelay: 100,

        onLabelUpdate: function (state, text, value, total) {
            return text;
        },
        onChange: function (percent, value, total) {
        },
        onSuccess: function (total) {
        },
        onActive: function (value, total) {
        },
        onError: function (value, total) {
        },
        onWarning: function (value, total) {
        },

        error: {
            method: 'The method you called is not defined.',
            nonNumeric: 'Progress value is non numeric',
            tooHigh: 'Value specified is above 100%',
            tooLow: 'Value specified is below 0%'
        },

        regExp: {
            variable: /\{\$*[A-z0-9]+\}/g
        },

        metadata: {
            percent: 'percent',
            total: 'total',
            value: 'value'
        },

        selector: {
            bar: '> .bar',
            label: '> .label',
            progress: '.bar > .progress'
        },

        text: {
            active: false,
            error: false,
            success: false,
            warning: false,
            percent: '{percent}%',
            ratio: '{value} of {total}'
        },

        className: {
            active: 'active',
            error: 'error',
            success: 'success',
            warning: 'warning'
        }

    };


})(jQuery, window, document);
